87428403

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{5479}}^1$

素因数の和:5688

約数の個数: 20

約数和(自身を含む): 131289840

約数和(自身を除く): 43861437

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 5479, 15957, 16437, 49311, 147933, 443799, 1079363, 3238089, 9714267, 29142801, 87428403]

約数ペア:

[(1, 87428403), (3, 29142801), (9, 9714267), (27, 3238089), (81, 1079363), (197, 443799), (591, 147933), (1773, 49311), (5319, 16437), (5479, 15957)]